TWP 201 over LITTLE COBB RIVER

Map

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:

TWP 201 over LITTLE COBB RIVER

Structure number:

91693

Location:

0.7 MI N OF JCT CSAH 4

Purpose:

Carries highway over waterway

Route classification:

Local (Rural) [09]

Length of largest span:

14.1 ft. [4.3 m]

Total length:

32.2 ft. [9.8 m]

Owner:

County Highway Agency [02]

Year built:

1978

Historic significance:

Bridge is not eligible for the National Register of Historic Places [5]

Design load:

MS 18 / HS 20 [5]

Number of main spans:

2

Main spans material:

Concrete [1]

Main spans design:

Culvert [19]

Deck type:

Not applicable [N]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:

Good

Status:

Open, no restriction [A]

Average daily traffic:

60 [as of 1969]

Structural appraisal:

Better than present minimum criteria [7]

Water adequacy appraisal:

Better than present minimum criteria [7]

Roadway alignment appraisal:

Equal to present desirable criteria [8]

Channel protection:

Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]

Culvert condition:

Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]

Scour condition:

Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]